#include <stdio.h>
#include <math.h>

void fun(void)
{
    int a;
    float b;
    char c;
    printf("%p\n",&a);
    printf("%p\n",&b);
    printf("%p\n",&c);

}
int * f2(void)
{
    int b=1;
    int *p=&b;
    
    return p;
}
int main(void)
{
    int i=9;
    int b=sqrt(i);
    // printf("%d\n",b);
    // fun();

    printf("%d\n",*(f2()));
    return 0;
}